@media (max-width:768px) {
    .about {
        border-top: 0.1px solid transparent;
    }
    .about .w {
        text-align: center;
        width: 90%;
    }
    .about .about2,
    .about .about1 {
        float: none;
    }
    .about .about2 .us-item {
        margin-left: 0;
    }
    .about .p2 {
        margin: 5px 0;
    }
    .about .about2 .us {
        margin-top: 0;
        margin: 0 auto;
        width: fit-content;
    }
    .about .about1 {
        margin-top: 20px;
    }

    .w {
        width: 80%;
    }
    .banner {
        height: 62px;
        margin-top: 80px;
    }
    .desi .desi-list .item {
        width: 100%;
    }
    .desi .desi-list .item .desi-info p:nth-child(3) {
        width: fit-content;
        margin: 0 auto;
    }
    .desi .title {
        padding-top: 70px;
        margin-bottom: 40px;
    }
    .desi .title .top {
        font-size: 20px;
    }
    .desi .title .con {
        font-size: 13px;
    }
}